body,
html {
  margin: 0;
  padding: 0;
}
.game_map {
  position: relative;
  overflow: hidden;
}
.body {
  position: absolute;
  background-color: #0f0;
}
.body.head {
  background-color: #f00 !important;
}
.food {
  position: absolute;
  background-color: #ff0;
}
